1 files changed, 62 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/strict-does-not-equals/bigint-and-number-extremes.js b/js/src/tests/test262/language/expressions/strict-does-not-equals/bigint-and-number-extremes.js
new file mode 100644
index 0000000000..5fc465a5f9
--- /dev/null
+++ b/js/src/tests/test262/language/expressions/strict-does-not-equals/bigint-and-number-extremes.js
@@ -0,0 +1,62 @@
+// Copyright (C) 2017 Josh Wolfe. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: Strict inequality comparison of BigInt and large Number values
+esid: sec-strict-equality-comparison
+info: |
+  1. If Type(x) is different from Type(y), return false.
+
+features: [BigInt]
+---*/
+assert.sameValue(1n !== Number.MAX_VALUE, true, 'The result of (1n !== Number.MAX_VALUE) is true');
+assert.sameValue(Number.MAX_VALUE !== 1n, true, 'The result of (Number.MAX_VALUE !== 1n) is true');
+
+assert.sameValue(
+  1n !== -Number.MAX_VALUE,
+  true,
+  'The result of (1n !== -Number.MAX_VALUE) is true'
+);
+
+assert.sameValue(
+  -Number.MAX_VALUE !== 1n,
+  true,
+  'The result of (-Number.MAX_VALUE !== 1n) is true'
+);
+
+assert.sameValue(
+  0xfffffffffffff7ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffn !== Number.MAX_VALUE,
+  true,
+  'The result of (0xfffffffffffff7ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffn !== Number.MAX_VALUE) is true'
+);
+
+assert.sameValue(
+  Number.MAX_VALUE !== 0xfffffffffffff7ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffn,
+  true,
+  'The result of (Number.MAX_VALUE !== 0xfffffffffffff7ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffn) is true'
+);
+
+assert.sameValue(
+  0xfffffffffffff800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000n !== Number.MAX_VALUE,
+  true,
+  'The result of (0xfffffffffffff800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000n !== Number.MAX_VALUE) is true'
+);
+
+assert.sameValue(
+  Number.MAX_VALUE !== 0xfffffffffffff800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000n,
+  true,
+  'The result of (Number.MAX_VALUE !== 0xfffffffffffff800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000n) is true'
+);
+
+assert.sameValue(
+  0xfffffffffffff800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001n !== Number.MAX_VALUE,
+  true,
+  'The result of (0xfffffffffffff800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001n !== Number.MAX_VALUE) is true'
+);
+
+assert.sameValue(
+  Number.MAX_VALUE !== 0xfffffffffffff800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001n,
+  true,
+  'The result of (Number.MAX_VALUE !== 0xfffffffffffff800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001n) is true'
+);
+
+reportCompare(0, 0);